Weather in Roslyn, SD
Updated 2026-09-26 11:45 local time · ZIP codes 57261
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
57°33% rain
58°33% rain60°35% rain63°22% rain64°22% rain65°23% rain62°29% rain59°32% rain
58°38% rain
58°33% rain59°33% rain60°34% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
There is a moderate rain chance, peaking near 38%.
It feels like 51°F with winds near 13 mph.
64°F, 22% rain chance and 12 mph wind.
Visibility is around 6 mi; gusts may reach 24 mph.
Current temperature is 57°F, wind 13 mph, rain chance up to 38%.
UV index is 1.
Local weather characteristics in Roslyn
South Dakota has a continental climate with hot summers, cold winters, frequent wind and strong differences between the Black Hills and the open plains.
Roslyn is part of the Midwest weather region. The forecast point is near 45.50°N latitude and 97.49°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Roslyn weather today
Overcast and 57°F in Roslyn, SD. Today's high is 65°F with a 84% rain chance. Winds are around 13 mph with gusts near 24 mph. Relative humidity is 95%, pressure is 29.91 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Roslyn
Sunrise is at 07:22 AM and sunset is at 07:20 PM. Tomorrow's forecast calls for Patchy rain nearby with a high near 69°F and a low near 61°F. The maximum rain chance is 60%.